313140040 has 16 divisors (see below), whose sum is σ = 704565180. Its totient is φ = 125256000.

The previous prime is 313140031. The next prime is 313140041. The reversal of 313140040 is 40041313.

It can be written as a sum of positive squares in 2 ways, for example, as 277355716 + 35784324 = 16654^2 + 5982^2 .

It is a junction number, because it is equal to n+sod(n) for n = 313139996 and 313140023.

It is not an unprimeable number, because it can be changed into a prime (313140041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3914211 + ... + 3914290.

Almost surely, 2^313140040 is an apocalyptic number.

It is an amenable number.

313140040 is an abundant number, since it is smaller than the sum of its proper divisors (391425140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313140040 is a wasteful number, since it uses less digits than its factorization.

313140040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7828512 (or 7828508 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 313140040 is about 17695.7633347646. The cubic root of 313140040 is about 679.0673777764.

Adding to 313140040 its reverse (40041313), we get a palindrome (353181353).

The spelling of 313140040 in words is "three hundred thirteen million, one hundred forty thousand, forty".